Patents
Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
01/1999
01/21/1999WO1999003254A1 Personal communication device
01/21/1999WO1999003250A1 Universally interchangeable and modular power supply with integrated battery charger
01/21/1999WO1999003249A1 A method and an arrangement relating to equipment in telecommunication networks
01/21/1999WO1999003244A2 Method of and device for measuring echo parameters on telephone lines
01/21/1999WO1999003198A1 Volume control method and device for a loudspeaker element, hand free device and device for installation inside a vehicle
01/21/1999WO1999003186A1 Improved tamper proof safety circuit
01/21/1999WO1999003119A1 Telephone switching mechanism
01/21/1999WO1999003093A1 Combined speech coder and echo canceler
01/21/1999WO1999003092A2 Modular speech recognition system and method
01/21/1999WO1998048548A3 Multi-function telecommunication device
01/21/1999WO1998048547A3 Tray for automatic dial telephones
01/21/1999WO1998037785A3 Adjustable-width holster with rapid, secure clip for attachment to a belt or strap
01/21/1999DE19730920A1 Computer system adapted for hands-free speech communications
01/21/1999DE19730816A1 Hands-free speech communication arrangement for computer
01/21/1999DE19729521A1 Noise and echo suppression method especially for hands-free apparatus
01/21/1999CA2297655A1 Combined speech coder and echo canceler
01/20/1999EP0892578A2 Cordless telephone (DECT) system capable of providing a data communication service
01/20/1999EP0892565A2 Data transmission system including mechanism for correcting errors in a dialed number
01/20/1999EP0892538A2 Class in-band service delivery over fixed wireless access communication systems
01/20/1999EP0892535A1 Cassette arrangement for handsfree use of a mobile telephone in an automobile
01/20/1999EP0892534A2 Radio telephone
01/20/1999EP0892533A2 Radio telephone
01/20/1999EP0892532A2 Telecommunication network and terminals
01/20/1999EP0892507A1 Portable terminal equipment
01/20/1999EP0892467A1 Gel filled modular electrical connecting block
01/20/1999EP0892447A1 Removable battery pack for a mobile phone
01/20/1999EP0891666A1 Internet on hold
01/20/1999EP0891642A1 Antenna assembly for radiotelephonic device
01/20/1999CN2305025Y Device for preventing mobile telephone from dropping
01/20/1999CN1205821A Modem loop current detect system to detect off-hook condition in extension telephone
01/20/1999CN1205785A Reset circuit for ensuring proper reset when used with decaying power supplies
01/20/1999CN1205606A Portable cellular phone
01/19/1999US5862493 External power source to main battery power sources switch
01/19/1999US5862488 Method and mobile station for activating a playback device in a communication system
01/19/1999US5862475 Communication system that supports wireless remote programming process
01/19/1999US5862473 Relay apparatus for pagers
01/19/1999US5862472 Circuit for indicating loss of portable telephone and control method thereof
01/19/1999US5862215 Protective cover for telephone mouthpiece and/or earpiece
01/19/1999US5862214 Telephone base
01/19/1999US5862212 Method and structure for detecting a customer premises equipment alerting signal
01/19/1999US5862210 Signal detection circuit and telephone apparatus
01/19/1999US5861873 Modular portable computer with removable pointer device
01/19/1999CA2148023C Intelligent call waiting
01/19/1999CA2147906C Personal mobile communication system
01/19/1999CA2066021C Method of rewriting message receive control information stored in radio pager
01/17/1999CA2209036A1 Wireless headphones with portable fm transmitter
01/14/1999WO1999002002A1 Plug-in telecommunication card
01/14/1999WO1999001973A1 Telephone apparatus and user notification method
01/14/1999WO1999001972A1 Accessory item for mobile subscriber equipment
01/14/1999WO1999001971A1 Cellular phone holder
01/14/1999WO1999001865A1 Digital cellular phone with voice recognition function and method for controlling the same
01/14/1999WO1999001848A1 Procedure for the control of applications stored in a subscriber identity module
01/14/1999WO1998040999A3 Digital answering machine
01/14/1999WO1998035516A3 Removable data store
01/14/1999DE19739676C1 Radio communications instrument, especially for mobile or wireless telephone
01/14/1999DE19731293A1 Communications centre for data transfer in card-based telecommunications
01/14/1999DE19729655A1 Stand-by control arrangement for radio telephone
01/14/1999DE19729508A1 Communication apparatus especially digital telephone for ISDN
01/14/1999CA2295727A1 Digital cellular phone with voice recognition function and method for controlling the same
01/14/1999CA2295217A1 Cellular phone holder
01/13/1999EP0891112A1 Auxiliary module for a portable telephone and a set consisting of said module and said telephone
01/13/1999EP0891072A2 Method for signalling services in telephone networks with analog subscriber connections
01/13/1999EP0891066A2 Adaptable menu-controlled man-machine interface.
01/13/1999EP0891065A1 Portable terminal equipment
01/13/1999EP0891050A1 Portable terminal equipment
01/13/1999EP0890293A1 Sampled chamber transducer with enhanced low frequency response
01/13/1999EP0890274A1 Method and apparatus for dialing a b-number within a mobile telecommunications system
01/13/1999EP0890272A1 Use of a mobile station as a cordless telephone
01/13/1999EP0890250A1 Incoming call alerting method for a radio communication apparatus connected to an external apparatus
01/13/1999EP0890249A1 Apparatus and method for reducing speech recognition vocabulary perplexity and dynamically selecting acoustic models
01/13/1999EP0890248A1 Telephone handset convertible into a telephone headset
01/13/1999EP0890247A2 Smart interface technology
01/13/1999EP0666006B1 Method of determining an idle channel in fdm radio transmission systems
01/13/1999CN2304214Y Telephone set having sterilizing and perfuming device
01/13/1999CN1204928A Radio channel connecting programming method
01/13/1999CN1204916A Telephone apparatus with audio recording function and audio recording method of telephone apparatus
01/13/1999CN1204915A Telephone source displayer and method
01/13/1999CN1204914A Intelligence telephone source displayer
01/13/1999CN1204913A Telephone installed caller recognition and dialing displayer
01/13/1999CN1204912A Telephone installed caller recognition displayer
01/13/1999CN1204810A Remote control method, server and recording medium
01/13/1999CN1204802A Function realization system in information processing equipment and apparatus for attaining the system
01/13/1999CN1041683C Method for eliminating acoustic echo in communication device
01/12/1999US5859914 Acoustic echo canceler
01/12/1999US5859913 Method and system for the high-speed generation and transmission of a sequence of characters by means of voice frequencies
01/12/1999US5859909 Portable telephone having a biased rotatable cover
01/12/1999US5859908 Method and apparatus for applying multiple speech processing features to a telephone call
01/12/1999US5859906 For coupling to a subscriber telephone line
01/12/1999US5859905 Cycle-modulating type of dual-tone multifrequency generator
01/12/1999US5859903 Method of displaying caller identification for abandoned call in key-phone system
01/12/1999US5859901 Intelligent call connection service
01/12/1999US5859898 For use in a communications network
01/12/1999US5859897 Telephone calling card and service
01/12/1999US5859896 Telephone line automatic prefix dialer
01/12/1999US5859894 Self-diagnostic system for cellular-transceiver systems with remote-reporting capabilities
01/12/1999US5859522 Electronic device
01/12/1999US5858570 Communication apparatus, electronic apparatus, and battery management method
01/12/1999CA2159383C Automatic call back under control of a telephone terminal
01/12/1999CA2143227C Noise-canceling differential microphone assembly
01/12/1999CA2143226C Single diaphragm second order differential microphone assembly